DISCLAIMER: This is any Item or Assembly for sale that may have a rough appearance due primarily but not limited to milling, dents, scratches, uneven finish and missing or poorly applied stenciling. The term blemished applies to any defect to the appearance of the item or assembly sold and does not affect its function.

The flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper! To ensure even more strength they are Mil-Spec Type 3 hard coat anodized in rugged black.

The barrel is made from the most durable material in the barrel world, 4150 Chrome Moly Steel! These barrels are NOT chrome lined because that reduces accuracy, it features Nitride Coating to increase durability and reduces wear & tear! It features a gas impingement system operating at the carbine length. Nothing is overlooked on this barrel, it is even head spaced twice from the manufacturer for reliability!

The 12” Keymod by Hera is engineered and manufactured in Germany. This modern designed rail is made from Airplane grade Aluminum! The rails are then hard coat anodized to improve the strength! To top it off, Hera’s “Anti-Turning Milling” eliminates turning.

As everyone knows, CBC Industries assembles there uppers exclusively with Veterans of our Armed Services! These military men have a found place in their heart for the 5.56, so they mic port holes, torque to military specs.The end result, the highest quality upper assemblies for the money in the market!

Customer Reviews

AR15 Parts

CBC Industries offers reliable, dependable, and the highest quality AR15 parts and AR15 accessories! We back all of our AR15 parts and products with our LIFETIME Warranty. Feel free to call us with any questions at (843)818-4374.

Welcome to CBC Industries! We provide high quality AR10 & AR15 upper receiver assemblies, as well as AK47, AR10, & AR15 barrels, AR15 parts, and accessories for the enthusiast and builder alike. We are also an official Hera Arms retailer and supplier. Unlike other outlets, our products are almost always in-stock and are ready to be delivered immediately. We feature a talented production team staffed by US veterans that provide the type of quality that our vets would stand behind!